Patent US3249256A successfully refreshed from Google Patents.
US3249256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable tube dispensing device
Assignee: Cutler Hammer Inc
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Filing: 1964-10-16
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Granted: 1966-05-03
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Expires: 1984-10-16
Abstract
No abstract record available.
Inventors
- 👤 Erhard R Stern
- 👤 Paul R Maestro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:00
CPC Classifications
B; B01; B01L; B01L99/00; B01L3/00; B01L3/02; B01L3/021; G; G01; G01N; G01N35/00; G01N35/02; G01N35/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A DEVICE FOR AUTOMATICALLY SUPPLYING DISPOSABLE PIPETTE TUBE SECTIONS TO A PERMANENT PIPETTE TUBE SECTION CONSTRAINED TO MOVE FROM ONE POSITION TO ANOTHER FOR THE TRANSFER OF LIQUID THEREIN, COMPRISING A GROUP OF INDIVIDUAL DISPOSABLE TUBE SECTIONS HAVING ALL THE SAME LENGTH AND ATTACHED TO A TAPE AT ONE SIDE THEREOF WITH THEIR AXIS PARALLEL AND THEIR CORRESPONDING ENDS IN REGISTRY, A PASSAGEWAY THROUGH WHICH THE TUBE SECTIONS ARE CONVEYED LATERALLY ONE AFTER THE OTHER BY THE APPLICATION OF TENSION TO THE TAPE, MEANS ASSOCIATED WITH THE PASSAGEWAY TO FACILITATE DISENGAGEMENT OF THE TAPE FROM THE TUBE SECTIONS, A TERMINAL POSITION IN SAID PASSAGEWAY IN WHICH TUBE SECTIONS DISENGAGED FROM THE TAPE ARE LOCATED ONE AT A TIME BY MOVEMENT OF THE TUBE SECTIONS WHICH FOLLOW IN THE PASSAGEWAY, A RECIPROCABLE PERMANENT PIPETTE SECTION ADAPTED UPON MOVEMENT IN ONE DIRECTION FRICTIONALLY TO ENGAGE IN THE BORE OF THE TUBE SECTION IN SAID TERMINAL POSITION AND UPON MOVEMENT IN THE OPPOSITE DIRECTION TO REMOVE THE TUBE SECTION FROM SAID TERMINAL POSITION, AND MEANS FOR APPLYING TENSION TO THE TAPE TO MOVE A FOLLOWING TUBE SECTION INTO THE TERMINAL POSITION AFTER THE TUBE SECTION IN ADVANCE THEREOF HAS BEEN REMOVED.
Claim 2
Independent Claim
198 words
A DEVICE FOR AUTOMATICALLY SUPPLYING DISPOSABLE PIPETTE TUBE SECTIONS TO A PERMANENT PIPETTE TUBE SECTION CONSTRAINED TO MOVE FROM ONE POSITION TO ANOTHER FOR THE TRANSFER OF LIQUID THEREIN, COMPRISING A GROUP OF INDIVIDUAL DISPOSABLE TUBE SECTIONS HAVING ALL THE SAME LENGTH AND ATTACHED TO A TAPE AT ONE SIDE THEREOF WITH THEIR AXIS PARALLEL AND THEIR CORRESPONDING ENDS IN REGISTRY, A PASSAGEWAY THROUGH WHICH THE TUBE SECTIONS ARE CONVEYED LATERALLY ONE AFTER THE OTHER BY THE APPLICATION OF TENSION TO THE TAPE, MEANS ASSOCIATED WITH THE PASSAGEWAY TO FACILITATE DISENGAGEMENT OF THE TAPE FROM THE TUBE SECTIONS, A TERMINAL POSITION IN SAID PASSAGEWAY IN WHICH TUBE SECTIONS DISENGAGED FROM THE TAPE ARE LOCATED ONE AT A TIME BY MOVEMENT OF THE TUBE SECTIONS WHICH FOLLOW IN THE PASSAGEWAY, A RECIPROCABLE PERMANENT PIPETTE SECTION ADAPTED UPON MOVEMENT IN ONE DIRECTION FRICTIONALLY TO ENGAGE IN THE BORE OF THE TUBE SECTION IN SAID TERMINAL POSITION AND UPON MOVEMENT IN THE OPPOSITE DIRECTION TO REMOVE THE TUBE SECTION FROM SAID TERMINAL POSITION, AND MEANS FOR APPLYING TENSION TO THE TAPE TO MOVE A FOLLOWING TUBE SECTION INTO THE TERMINAL POSITION AFTER THE TUBE SECTION IN ADVANCE THEREOF HAS BEEN REMOVED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |